Horses are Zlenko’s favorites, but dogs also often appear in genre pictures. In his depiction of horses, Zlenko follows the tradition of realism, with a deep insight into the animal’s nature. Many of his drawings were made in the manege or stable. The grace of a racing horse fascinates the artist. His delight in drawing horses is akin to the delight in drawing a beautiful female body. The characteristic traits of an animal, especially in motions, are just as important as the expression of the animal’s bearing, the angle of the posture, the nobility of its appearance.